Need help!!! 10 points to the first person!
2 answers:
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Answer: About $300
Step-by-step explanation:
1. To solve this problem and estimate how much more money Mr. Johnson made this week (which you can call x) you must apply the proccedure shown below:
- Round the number of erasers sold:
96 erasers≈100 erasers
204 erasers≈200 erasers
- The amount of money made last week is:
- The amount of money made this week is:
- Now, you must subtract the quantities shown above, then you obtain:
Answer:
Step-by-step explanation:
Red:black = 1:1
Red cards = x
Black cards =x
x + x = 48
2x = 48
x = 48/2
x = 24
No. of red cards = 24
No of black cards = 24
Now 8 red cards are removed
So, No. of red cards = 24 - 8 =16
Red: Black = 16:24
Red: Black = 2:3